/*
- tm6000-video.c - driver for TM5600/TM6000/TM6010 USB video capture devices
-
- Copyright (C) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.org>
-
- Copyright (C) 2007 Michel Ludwig <michel.ludwig@gmail.com>
- - Fixed module load/unload
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation version 2
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * tm6000-video.c - driver for TM5600/TM6000/TM6010 USB video capture devices
+ *
+ * Copyright (C) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.org>
+ *
+ * Copyright (C) 2007 Michel Ludwig <michel.ludwig@gmail.com>
+ * - Fixed module load/unload
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation version 2
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/module.h>
#include <linux/delay.h>
};
/* ------------------------------------------------------------------
- DMA and thread functions
- ------------------------------------------------------------------*/
+ * DMA and thread functions
+ * ------------------------------------------------------------------
+ */
#define norm_maxw(a) 720
#define norm_maxh(a) 576
struct urb *urb)
{
struct tm6000_dmaqueue *dma_q = urb->context;
- struct tm6000_core *dev= container_of(dma_q,struct tm6000_core,vidq);
- u8 *ptr=data, *endp=data+len, c;
- unsigned long header=0;
- int rc=0;
+ struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq);
+ u8 *ptr = data, *endp = data+len, c;
+ unsigned long header = 0;
+ int rc = 0;
unsigned int cmd, cpysize, pktsize, size, field, block, line, pos = 0;
struct tm6000_buffer *vbuf;
char *voutp = NULL;
unsigned int linewidth;
/* get video buffer */
- get_next_buf (dma_q, &vbuf);
+ get_next_buf(dma_q, &vbuf);
if (!vbuf)
return rc;
voutp = videobuf_to_vmalloc(&vbuf->vb);
/* from last urb or packet */
header = dev->isoc_ctl.tmp_buf;
if (4 - dev->isoc_ctl.tmp_buf_len > 0) {
- memcpy ((u8 *)&header +
+ memcpy((u8 *)&header +
dev->isoc_ctl.tmp_buf_len,
ptr,
4 - dev->isoc_ctl.tmp_buf_len);
if (ptr + 3 >= endp) {
/* have incomplete header */
dev->isoc_ctl.tmp_buf_len = endp - ptr;
- memcpy (&dev->isoc_ctl.tmp_buf, ptr,
+ memcpy(&dev->isoc_ctl.tmp_buf, ptr,
dev->isoc_ctl.tmp_buf_len);
return rc;
}
/* Announces that a new buffer
* were filled
*/
- buffer_filled (dev, dma_q, vbuf);
- dprintk (dev, V4L2_DEBUG_ISOC,
+ buffer_filled(dev, dma_q, vbuf);
+ dprintk(dev, V4L2_DEBUG_ISOC,
"new buffer filled\n");
- get_next_buf (dma_q, &vbuf);
+ get_next_buf(dma_q, &vbuf);
if (!vbuf)
return rc;
- voutp = videobuf_to_vmalloc (&vbuf->vb);
+ voutp = videobuf_to_vmalloc(&vbuf->vb);
if (!voutp)
return rc;
memset(voutp, 0, vbuf->vb.size);
case TM6000_URB_MSG_VIDEO:
/* Fills video buffer */
if (vbuf)
- memcpy (&voutp[pos], ptr, cpysize);
+ memcpy(&voutp[pos], ptr, cpysize);
break;
case TM6000_URB_MSG_AUDIO:
+ /* Need some code to copy audio buffer */
+ if (dev->fourcc == V4L2_PIX_FMT_YUYV) {
+ /* Swap word bytes */
+ int i;
+
+ for (i = 0; i < cpysize; i += 2)
+ swab16s((u16 *)(ptr + i));
+ }
tm6000_call_fillbuf(dev, TM6000_AUDIO, ptr, cpysize);
break;
case TM6000_URB_MSG_VBI:
struct urb *urb)
{
struct tm6000_dmaqueue *dma_q = urb->context;
- struct tm6000_core *dev= container_of(dma_q,struct tm6000_core,vidq);
- unsigned int pos=dev->isoc_ctl.pos,cpysize;
- int rc=1;
+ struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq);
+ unsigned int pos = dev->isoc_ctl.pos, cpysize;
+ int rc = 1;
struct tm6000_buffer *buf;
char *outp = NULL;
if (!outp)
return 0;
- while (len>0) {
- cpysize=min(len,buf->vb.size-pos);
- //printk("Copying %d bytes (max=%lu) from %p to %p[%u]\n",cpysize,(*buf)->vb.size,ptr,out_p,pos);
+ while (len > 0) {
+ cpysize = min(len, buf->vb.size-pos);
memcpy(&outp[pos], ptr, cpysize);
- pos+=cpysize;
- ptr+=cpysize;
- len-=cpysize;
+ pos += cpysize;
+ ptr += cpysize;
+ len -= cpysize;
if (pos >= buf->vb.size) {
- pos=0;
+ pos = 0;
/* Announces that a new buffer were filled */
- buffer_filled (dev, dma_q, buf);
+ buffer_filled(dev, dma_q, buf);
dprintk(dev, V4L2_DEBUG_ISOC, "new buffer filled\n");
- get_next_buf (dma_q, &buf);
+ get_next_buf(dma_q, &buf);
if (!buf)
break;
outp = videobuf_to_vmalloc(&(buf->vb));
}
}
- dev->isoc_ctl.pos=pos;
+ dev->isoc_ctl.pos = pos;
return rc;
}
-static void inline print_err_status (struct tm6000_core *dev,
+static inline void print_err_status(struct tm6000_core *dev,
int packet, int status)
{
char *errmsg = "Unknown";
- switch(status) {
+ switch (status) {
case -ENOENT:
errmsg = "unlinked synchronuously";
break;
errmsg = "Device does not respond";
break;
}
- if (packet<0) {
+ if (packet < 0) {
dprintk(dev, V4L2_DEBUG_QUEUE, "URB status %d [%s].\n",
status, errmsg);
} else {
static inline int tm6000_isoc_copy(struct urb *urb)
{
struct tm6000_dmaqueue *dma_q = urb->context;
- struct tm6000_core *dev= container_of(dma_q,struct tm6000_core,vidq);
- int i, len=0, rc=1, status;
+ struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq);
+ int i, len = 0, rc = 1, status;
char *p;
if (urb->status < 0) {
- print_err_status (dev, -1, urb->status);
+ print_err_status(dev, -1, urb->status);
return 0;
}
for (i = 0; i < urb->number_of_packets; i++) {
status = urb->iso_frame_desc[i].status;
- if (status<0) {
- print_err_status (dev,i,status);
+ if (status < 0) {
+ print_err_status(dev, i, status);
continue;
}
if (len > 0) {
p = urb->transfer_buffer + urb->iso_frame_desc[i].offset;
if (!urb->iso_frame_desc[i].status) {
- if ((dev->fourcc)==V4L2_PIX_FMT_TM6000) {
- rc=copy_multiplexed(p, len, urb);
- if (rc<=0)
+ if ((dev->fourcc) == V4L2_PIX_FMT_TM6000) {
+ rc = copy_multiplexed(p, len, urb);
+ if (rc <= 0)
return rc;
} else {
copy_streams(p, len, urb);
}
/* ------------------------------------------------------------------
- URB control
- ------------------------------------------------------------------*/
+ * URB control
+ * ------------------------------------------------------------------
+ */
/*
* IRQ callback, called by URB callback
dev->isoc_ctl.buf = NULL;
for (i = 0; i < dev->isoc_ctl.num_bufs; i++) {
- urb=dev->isoc_ctl.urb[i];
+ urb = dev->isoc_ctl.urb[i];
if (urb) {
usb_kill_urb(urb);
usb_unlink_urb(urb);
dev->isoc_ctl.transfer_buffer[i] = NULL;
}
- kfree (dev->isoc_ctl.urb);
- kfree (dev->isoc_ctl.transfer_buffer);
+ kfree(dev->isoc_ctl.urb);
+ kfree(dev->isoc_ctl.transfer_buffer);
- dev->isoc_ctl.urb=NULL;
- dev->isoc_ctl.transfer_buffer=NULL;
+ dev->isoc_ctl.urb = NULL;
+ dev->isoc_ctl.transfer_buffer = NULL;
dev->isoc_ctl.num_bufs = 0;
}
/* De-allocates all pending stuff */
tm6000_uninit_isoc(dev);
+ /* Stop interrupt USB pipe */
+ tm6000_ir_int_stop(dev);
usb_set_interface(dev->udev,
dev->isoc_in.bInterfaceNumber,
dev->isoc_in.bAlternateSetting);
+ /* Start interrupt USB pipe */
+ tm6000_ir_int_start(dev);
+
pipe = usb_rcvisocpipe(dev->udev,
dev->isoc_in.endp->desc.bEndpointAddress &
USB_ENDPOINT_NUMBER_MASK);
dev->isoc_ctl.max_pkt_size = size;
- max_packets = ( framesize + size - 1) / size;
+ max_packets = (framesize + size - 1) / size;
if (max_packets > TM6000_MAX_ISO_PACKETS)
max_packets = TM6000_MAX_ISO_PACKETS;
dev->isoc_ctl.transfer_buffer[i] = usb_alloc_coherent(dev->udev,
sb_size, GFP_KERNEL, &urb->transfer_dma);
if (!dev->isoc_ctl.transfer_buffer[i]) {
- tm6000_err ("unable to allocate %i bytes for transfer"
+ tm6000_err("unable to allocate %i bytes for transfer"
" buffer %i%s\n",
sb_size, i,
- in_interrupt()?" while in int":"");
+ in_interrupt() ? " while in int" : "");
tm6000_uninit_isoc(dev);
return -ENOMEM;
}
return 0;
}
-static int tm6000_start_thread( struct tm6000_core *dev)
+static int tm6000_start_thread(struct tm6000_core *dev)
{
struct tm6000_dmaqueue *dma_q = &dev->vidq;
int i;
- dma_q->frame=0;
- dma_q->ini_jiffies=jiffies;
+ dma_q->frame = 0;
+ dma_q->ini_jiffies = jiffies;
init_waitqueue_head(&dma_q->wq);
}
/* ------------------------------------------------------------------
- Videobuf operations
- ------------------------------------------------------------------*/
+ * Videobuf operations
+ * ------------------------------------------------------------------
+ */
static int
buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size)
if (0 == *count)
*count = TM6000_DEF_BUF;
- if (*count < TM6000_MIN_BUF) {
- *count=TM6000_MIN_BUF;
- }
+ if (*count < TM6000_MIN_BUF)
+ *count = TM6000_MIN_BUF;
while (*size * *count > vid_limit * 1024 * 1024)
(*count)--;
enum v4l2_field field)
{
struct tm6000_fh *fh = vq->priv_data;
- struct tm6000_buffer *buf = container_of(vb,struct tm6000_buffer,vb);
+ struct tm6000_buffer *buf = container_of(vb, struct tm6000_buffer, vb);
struct tm6000_core *dev = fh->dev;
int rc = 0, urb_init = 0;
static void
buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
{
- struct tm6000_buffer *buf = container_of(vb,struct tm6000_buffer,vb);
+ struct tm6000_buffer *buf = container_of(vb, struct tm6000_buffer, vb);
struct tm6000_fh *fh = vq->priv_data;
struct tm6000_core *dev = fh->dev;
struct tm6000_dmaqueue *vidq = &dev->vidq;
static void buffer_release(struct videobuf_queue *vq, struct videobuf_buffer *vb)
{
- struct tm6000_buffer *buf = container_of(vb,struct tm6000_buffer,vb);
+ struct tm6000_buffer *buf = container_of(vb, struct tm6000_buffer, vb);
- free_buffer(vq,buf);
+ free_buffer(vq, buf);
}
static struct videobuf_queue_ops tm6000_video_qops = {
};
/* ------------------------------------------------------------------
- IOCTL handling
- ------------------------------------------------------------------*/
+ * IOCTL handling
+ * ------------------------------------------------------------------
+ */
-static int res_get(struct tm6000_core *dev, struct tm6000_fh *fh)
+static bool is_res_read(struct tm6000_core *dev, struct tm6000_fh *fh)
{
- /* is it free? */
- mutex_lock(&dev->lock);
- if (dev->resources) {
- /* no, someone else uses it */
- mutex_unlock(&dev->lock);
- return 0;
- }
- /* it's free, grab it */
- dev->resources =1;
- dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: get\n");
- mutex_unlock(&dev->lock);
- return 1;
+ /* Is the current fh handling it? if so, that's OK */
+ if (dev->resources == fh && dev->is_res_read)
+ return true;
+
+ return false;
}
-static int res_locked(struct tm6000_core *dev)
+static bool is_res_streaming(struct tm6000_core *dev, struct tm6000_fh *fh)
{
- return (dev->resources);
+ /* Is the current fh handling it? if so, that's OK */
+ if (dev->resources == fh)
+ return true;
+
+ return false;
+}
+
+static bool res_get(struct tm6000_core *dev, struct tm6000_fh *fh,
+ bool is_res_read)
+{
+ /* Is the current fh handling it? if so, that's OK */
+ if (dev->resources == fh && dev->is_res_read == is_res_read)
+ return true;
+
+ /* is it free? */
+ if (dev->resources)
+ return false;
+
+ /* grab it */
+ dev->resources = fh;
+ dev->is_res_read = is_res_read;
+ dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: get\n");
+ return true;
}
static void res_free(struct tm6000_core *dev, struct tm6000_fh *fh)
{
- mutex_lock(&dev->lock);
- dev->resources = 0;
+ /* Is the current fh handling it? if so, that's OK */
+ if (dev->resources != fh)
+ return;
+
+ dev->resources = NULL;
dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: put\n");
- mutex_unlock(&dev->lock);
}
/* ------------------------------------------------------------------
- IOCTL vidioc handling
- ------------------------------------------------------------------*/
-static int vidioc_querycap (struct file *file, void *priv,
+ * IOCTL vidioc handling
+ * ------------------------------------------------------------------
+ */
+static int vidioc_querycap(struct file *file, void *priv,
struct v4l2_capability *cap)
{
- // struct tm6000_core *dev = ((struct tm6000_fh *)priv)->dev;
strlcpy(cap->driver, "tm6000", sizeof(cap->driver));
- strlcpy(cap->card,"Trident TVMaster TM5600/6000/6010", sizeof(cap->card));
- // strlcpy(cap->bus_info, dev->udev->dev.bus_id, sizeof(cap->bus_info));
+ strlcpy(cap->card, "Trident TVMaster TM5600/6000/6010", sizeof(cap->card));
cap->version = TM6000_VERSION;
cap->capabilities = V4L2_CAP_VIDEO_CAPTURE |
V4L2_CAP_STREAMING |
return 0;
}
-static int vidioc_enum_fmt_vid_cap (struct file *file, void *priv,
+static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_fmtdesc *f)
{
if (unlikely(f->index >= ARRAY_SIZE(format)))
return -EINVAL;
- strlcpy(f->description,format[f->index].name,sizeof(f->description));
+ strlcpy(f->description, format[f->index].name, sizeof(f->description));
f->pixelformat = format[f->index].fourcc;
return 0;
}
-static int vidioc_g_fmt_vid_cap (struct file *file, void *priv,
+static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
- struct tm6000_fh *fh=priv;
+ struct tm6000_fh *fh = priv;
f->fmt.pix.width = fh->width;
f->fmt.pix.height = fh->height;
f->fmt.pix.sizeimage =
f->fmt.pix.height * f->fmt.pix.bytesperline;
- return (0);
+ return 0;
}
-static struct tm6000_fmt* format_by_fourcc(unsigned int fourcc)
+static struct tm6000_fmt *format_by_fourcc(unsigned int fourcc)
{
unsigned int i;
return NULL;
}
-static int vidioc_try_fmt_vid_cap (struct file *file, void *priv,
+static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct tm6000_core *dev = ((struct tm6000_fh *)priv)->dev;
field = f->fmt.pix.field;
- if (field == V4L2_FIELD_ANY) {
-// field=V4L2_FIELD_INTERLACED;
- field=V4L2_FIELD_SEQ_TB;
- } else if (V4L2_FIELD_INTERLACED != field) {
+ if (field == V4L2_FIELD_ANY)
+ field = V4L2_FIELD_SEQ_TB;
+ else if (V4L2_FIELD_INTERLACED != field) {
dprintk(dev, V4L2_DEBUG_IOCTL_ARG, "Field type invalid.\n");
return -EINVAL;
}
- tm6000_get_std_res (dev);
+ tm6000_get_std_res(dev);
f->fmt.pix.width = dev->width;
f->fmt.pix.height = dev->height;
}
/*FIXME: This seems to be generic enough to be at videodev2 */
-static int vidioc_s_fmt_vid_cap (struct file *file, void *priv,
+static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
- struct tm6000_fh *fh=priv;
+ struct tm6000_fh *fh = priv;
struct tm6000_core *dev = fh->dev;
- int ret = vidioc_try_fmt_vid_cap(file,fh,f);
+ int ret = vidioc_try_fmt_vid_cap(file, fh, f);
if (ret < 0)
- return (ret);
+ return ret;
fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
fh->width = f->fmt.pix.width;
tm6000_set_fourcc_format(dev);
- return (0);
+ return 0;
}
-static int vidioc_reqbufs (struct file *file, void *priv,
+static int vidioc_reqbufs(struct file *file, void *priv,
struct v4l2_requestbuffers *p)
{
- struct tm6000_fh *fh=priv;
+ struct tm6000_fh *fh = priv;
- return (videobuf_reqbufs(&fh->vb_vidq, p));
+ return videobuf_reqbufs(&fh->vb_vidq, p);
}
-static int vidioc_querybuf (struct file *file, void *priv,
+static int vidioc_querybuf(struct file *file, void *priv,
struct v4l2_buffer *p)
{
- struct tm6000_fh *fh=priv;
+ struct tm6000_fh *fh = priv;
- return (videobuf_querybuf(&fh->vb_vidq, p));
+ return videobuf_querybuf(&fh->vb_vidq, p);
}
-static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
+static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p)
{
- struct tm6000_fh *fh=priv;
+ struct tm6000_fh *fh = priv;
- return (videobuf_qbuf(&fh->vb_vidq, p));
+ return videobuf_qbuf(&fh->vb_vidq, p);
}
-static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
+static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
{
- struct tm6000_fh *fh=priv;
-
- return (videobuf_dqbuf(&fh->vb_vidq, p,
- file->f_flags & O_NONBLOCK));
-}
-
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
-static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf)
-{
- struct tm6000_fh *fh=priv;
+ struct tm6000_fh *fh = priv;
- return videobuf_cgmbuf (&fh->vb_vidq, mbuf, 8);
+ return videobuf_dqbuf(&fh->vb_vidq, p,
+ file->f_flags & O_NONBLOCK);
}
-#endif
static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
{
- struct tm6000_fh *fh=priv;
+ struct tm6000_fh *fh = priv;
struct tm6000_core *dev = fh->dev;
if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
if (i != fh->type)
return -EINVAL;
- if (!res_get(dev,fh))
+ if (!res_get(dev, fh, false))
return -EBUSY;
return (videobuf_streamon(&fh->vb_vidq));
}
struct tm6000_fh *fh=priv;
struct tm6000_core *dev = fh->dev;
- rc=tm6000_set_standard (dev, norm);
+ dev->norm = *norm;
+ rc = tm6000_init_analog_mode(dev);
fh->width = dev->width;
fh->height = dev->height;
return 0;
}
-static int vidioc_enum_input (struct file *file, void *priv,
+static int vidioc_enum_input(struct file *file, void *priv,
struct v4l2_input *inp)
{
switch (inp->index) {
case TM6000_INPUT_TV:
inp->type = V4L2_INPUT_TYPE_TUNER;
- strcpy(inp->name,"Television");
+ strcpy(inp->name, "Television");
break;
case TM6000_INPUT_COMPOSITE:
inp->type = V4L2_INPUT_TYPE_CAMERA;
- strcpy(inp->name,"Composite");
+ strcpy(inp->name, "Composite");
break;
case TM6000_INPUT_SVIDEO:
inp->type = V4L2_INPUT_TYPE_CAMERA;
- strcpy(inp->name,"S-Video");
+ strcpy(inp->name, "S-Video");
break;
default:
return -EINVAL;
return 0;
}
-static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
+static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
{
- struct tm6000_fh *fh=priv;
+ struct tm6000_fh *fh = priv;
struct tm6000_core *dev = fh->dev;
- *i=dev->input;
+ *i = dev->input;
return 0;
}
-static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
+static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
{
- struct tm6000_fh *fh=priv;
+ struct tm6000_fh *fh = priv;
struct tm6000_core *dev = fh->dev;
- int rc=0;
+ int rc = 0;
char buf[1];
switch (i) {
case TM6000_INPUT_TV:
- dev->input=i;
- *buf=0;
+ dev->input = i;
+ *buf = 0;
break;
case TM6000_INPUT_COMPOSITE:
case TM6000_INPUT_SVIDEO:
- dev->input=i;
- *buf=1;
+ dev->input = i;
+ *buf = 1;
break;
default:
return -EINVAL;
}
- rc=tm6000_read_write_usb (dev, USB_DIR_OUT | USB_TYPE_VENDOR,
+ rc = tm6000_read_write_usb(dev, USB_DIR_OUT | USB_TYPE_VENDOR,
REQ_03_SET_GET_MCU_PIN, 0x03, 1, buf, 1);
if (!rc) {
- dev->input=i;
- rc=vidioc_s_std (file, priv, &dev->vfd->current_norm);
+ dev->input = i;
+ rc = vidioc_s_std(file, priv, &dev->vfd->current_norm);
}
- return (rc);
+ return rc;
}
/* --- controls ---------------------------------------------- */
-static int vidioc_queryctrl (struct file *file, void *priv,
+static int vidioc_queryctrl(struct file *file, void *priv,
struct v4l2_queryctrl *qc)
{
int i;
if (qc->id && qc->id == tm6000_qctrl[i].id) {
memcpy(qc, &(tm6000_qctrl[i]),
sizeof(*qc));
- return (0);
+ return 0;
}
return -EINVAL;
}
-static int vidioc_g_ctrl (struct file *file, void *priv,
+static int vidioc_g_ctrl(struct file *file, void *priv,
struct v4l2_control *ctrl)
{
- struct tm6000_fh *fh=priv;
+ struct tm6000_fh *fh = priv;
struct tm6000_core *dev = fh->dev;
int val;
return -EINVAL;
}
- if (val<0)
+ if (val < 0)
return val;
- ctrl->value=val;
+ ctrl->value = val;
return 0;
}
-static int vidioc_s_ctrl (struct file *file, void *priv,
+static int vidioc_s_ctrl(struct file *file, void *priv,
struct v4l2_control *ctrl)
{
- struct tm6000_fh *fh =priv;
+ struct tm6000_fh *fh = priv;
struct tm6000_core *dev = fh->dev;
- u8 val=ctrl->value;
+ u8 val = ctrl->value;
switch (ctrl->id) {
case V4L2_CID_CONTRAST:
- tm6000_set_reg(dev, TM6010_REQ07_R08_LUMA_CONTRAST_ADJ, val);
+ tm6000_set_reg(dev, TM6010_REQ07_R08_LUMA_CONTRAST_ADJ, val);
return 0;
case V4L2_CID_BRIGHTNESS:
- tm6000_set_reg(dev, TM6010_REQ07_R09_LUMA_BRIGHTNESS_ADJ, val);
+ tm6000_set_reg(dev, TM6010_REQ07_R09_LUMA_BRIGHTNESS_ADJ, val);
return 0;
case V4L2_CID_SATURATION:
- tm6000_set_reg(dev, TM6010_REQ07_R0A_CHROMA_SATURATION_ADJ, val);
+ tm6000_set_reg(dev, TM6010_REQ07_R0A_CHROMA_SATURATION_ADJ, val);
return 0;
case V4L2_CID_HUE:
- tm6000_set_reg(dev, TM6010_REQ07_R0B_CHROMA_HUE_PHASE_ADJ, val);
+ tm6000_set_reg(dev, TM6010_REQ07_R0B_CHROMA_HUE_PHASE_ADJ, val);
return 0;
}
return -EINVAL;
}
-static int vidioc_g_tuner (struct file *file, void *priv,
+static int vidioc_g_tuner(struct file *file, void *priv,
struct v4l2_tuner *t)
{
- struct tm6000_fh *fh =priv;
+ struct tm6000_fh *fh = priv;
struct tm6000_core *dev = fh->dev;
if (unlikely(UNSET == dev->tuner_type))
return 0;
}
-static int vidioc_s_tuner (struct file *file, void *priv,
+static int vidioc_s_tuner(struct file *file, void *priv,
struct v4l2_tuner *t)
{
- struct tm6000_fh *fh =priv;
+ struct tm6000_fh *fh = priv;
struct tm6000_core *dev = fh->dev;
if (UNSET == dev->tuner_type)
return 0;
}
-static int vidioc_g_frequency (struct file *file, void *priv,
+static int vidioc_g_frequency(struct file *file, void *priv,
struct v4l2_frequency *f)
{
- struct tm6000_fh *fh =priv;
+ struct tm6000_fh *fh = priv;
struct tm6000_core *dev = fh->dev;
if (unlikely(UNSET == dev->tuner_type))
return 0;
}
-static int vidioc_s_frequency (struct file *file, void *priv,
+static int vidioc_s_frequency(struct file *file, void *priv,
struct v4l2_frequency *f)
{
- struct tm6000_fh *fh =priv;
+ struct tm6000_fh *fh = priv;
struct tm6000_core *dev = fh->dev;
if (unlikely(f->type != V4L2_TUNER_ANALOG_TV))
if (unlikely(f->tuner != 0))
return -EINVAL;
-// mutex_lock(&dev->lock);
dev->freq = f->frequency;
v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, f);
-// mutex_unlock(&dev->lock);
return 0;
}
struct tm6000_core *dev = video_drvdata(file);
struct tm6000_fh *fh;
enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- int i,rc;
+ int i, rc;
printk(KERN_INFO "tm6000: open called (dev=%s)\n",
video_device_node_name(vdev));
dev->users);
/* allocate + initialize per filehandle data */
- fh = kzalloc(sizeof(*fh),GFP_KERNEL);
+ fh = kzalloc(sizeof(*fh), GFP_KERNEL);
if (NULL == fh) {
dev->users--;
return -ENOMEM;
"active=%d\n",list_empty(&dev->vidq.active));
/* initialize hardware on analog mode */
- if (dev->mode!=TM6000_MODE_ANALOG) {
- rc=tm6000_init_analog_mode (dev);
- if (rc<0)
- return rc;
+ rc = tm6000_init_analog_mode(dev);
+ if (rc < 0)
+ return rc;
+ if (dev->mode != TM6000_MODE_ANALOG) {
/* Put all controls at a sane state */
for (i = 0; i < ARRAY_SIZE(tm6000_qctrl); i++)
- qctl_regs[i] =tm6000_qctrl[i].default_value;
+ qctl_regs[i] = tm6000_qctrl[i].default_value;
- dev->mode=TM6000_MODE_ANALOG;
+ dev->mode = TM6000_MODE_ANALOG;
}
videobuf_queue_vmalloc_init(&fh->vb_vidq, &tm6000_video_qops,
NULL, &dev->slock,
fh->type,
V4L2_FIELD_INTERLACED,
- sizeof(struct tm6000_buffer),fh);
+ sizeof(struct tm6000_buffer), fh, &dev->lock);
return 0;
}
struct tm6000_fh *fh = file->private_data;
if (fh->type==V4L2_BUF_TYPE_VIDEO_CAPTURE) {
- if (res_locked(fh->dev))
+ if (!res_get(fh->dev, fh, true))
return -EBUSY;
return videobuf_read_stream(&fh->vb_vidq, data, count, pos, 0,
if (V4L2_BUF_TYPE_VIDEO_CAPTURE != fh->type)
return POLLERR;
- if (res_get(fh->dev,fh)) {
+ if (!!is_res_streaming(fh->dev, fh))
+ return POLLERR;
+
+ if (!is_res_read(fh->dev, fh)) {
/* streaming capture */
if (list_empty(&fh->vb_vidq.stream))
return POLLERR;
poll_wait(file, &buf->vb.done, wait);
if (buf->vb.state == VIDEOBUF_DONE ||
buf->vb.state == VIDEOBUF_ERROR)
- return POLLIN|POLLRDNORM;
+ return POLLIN | POLLRDNORM;
return 0;
}
dev->users--;
+ res_free(dev, fh);
if (!dev->users) {
tm6000_uninit_isoc(dev);
videobuf_mmap_free(&fh->vb_vidq);
}
- kfree (fh);
+ kfree(fh);
return 0;
}
struct tm6000_fh *fh = file->private_data;
int ret;
- ret=videobuf_mmap_mapper(&fh->vb_vidq, vma);
+ ret = videobuf_mmap_mapper(&fh->vb_vidq, vma);
return ret;
}
.owner = THIS_MODULE,
.open = tm6000_open,
.release = tm6000_release,
- .ioctl = video_ioctl2, /* V4L2 ioctl handler */
+ .unlocked_ioctl = video_ioctl2, /* V4L2 ioctl handler */
.read = tm6000_read,
.poll = tm6000_poll,
.mmap = tm6000_mmap,
.vidioc_querybuf = vidioc_querybuf,
.vidioc_qbuf = vidioc_qbuf,
.vidioc_dqbuf = vidioc_dqbuf,
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
- .vidiocgmbuf = vidiocgmbuf,
-#endif
};
static struct video_device tm6000_template = {
};
/* -----------------------------------------------------------------
- Initialization and module stuff
- ------------------------------------------------------------------*/
+ * Initialization and module stuff
+ * ------------------------------------------------------------------
+ */
-int tm6000_v4l2_register(struct tm6000_core *dev)
+static struct video_device *vdev_init(struct tm6000_core *dev,
+ const struct video_device
+ *template, const char *type_name)
{
- int ret = -1;
struct video_device *vfd;
vfd = video_device_alloc();
- if(!vfd) {
+ if (NULL == vfd)
+ return NULL;
+
+ *vfd = *template;
+ vfd->v4l2_dev = &dev->v4l2_dev;
+ vfd->release = video_device_release;
+ vfd->debug = tm6000_debug;
+ vfd->lock = &dev->lock;
+
+ snprintf(vfd->name, sizeof(vfd->name), "%s %s", dev->name, type_name);
+
+ video_set_drvdata(vfd, dev);
+ return vfd;
+}
+
+int tm6000_v4l2_register(struct tm6000_core *dev)
+{
+ int ret = -1;
+
+ dev->vfd = vdev_init(dev, &tm6000_template, "video");
+
+ if (!dev->vfd) {
+ printk(KERN_INFO "%s: can't register video device\n",
+ dev->name);
return -ENOMEM;
}
- dev->vfd = vfd;
/* init video dma queues */
INIT_LIST_HEAD(&dev->vidq.active);
INIT_LIST_HEAD(&dev->vidq.queued);
- memcpy (dev->vfd, &tm6000_template, sizeof(*(dev->vfd)));
- dev->vfd->debug=tm6000_debug;
- vfd->v4l2_dev = &dev->v4l2_dev;
- video_set_drvdata(vfd, dev);
-
ret = video_register_device(dev->vfd, VFL_TYPE_GRABBER, video_nr);
+
+ if (ret < 0) {
+ printk(KERN_INFO "%s: can't register video device\n",
+ dev->name);
+ return ret;
+ }
+
+ printk(KERN_INFO "%s: registered device %s\n",
+ dev->name, video_device_node_name(dev->vfd));
+
printk(KERN_INFO "Trident TVMaster TM5600/TM6000/TM6010 USB2 board (Load status: %d)\n", ret);
return ret;
}
}
module_param(video_nr, int, 0);
-MODULE_PARM_DESC(video_nr,"Allow changing video device number");
+MODULE_PARM_DESC(video_nr, "Allow changing video device number");
-module_param_named (debug, tm6000_debug, int, 0444);
-MODULE_PARM_DESC(debug,"activates debug info");
+module_param_named(debug, tm6000_debug, int, 0444);
+MODULE_PARM_DESC(debug, "activates debug info");
-module_param(vid_limit,int,0644);
-MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
+module_param(vid_limit, int, 0644);
+MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes");
projects / mv-sheeva.git / blobdiff